diff options
Diffstat (limited to 'drivers/hid')
33 files changed, 846 insertions, 297 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index e85c8fe9ffcf..7e67dcb3d4f6 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -29,11 +29,11 @@ config HID For docs and specs, see http://www.usb.org/developers/hidpage/ - If unsure, say Y + If unsure, say Y. config HID_DEBUG bool "HID debugging support" - default y if !EMBEDDED + default y depends on HID ---help--- This option lets the HID layer output diagnostics about its internal @@ -44,7 +44,7 @@ config HID_DEBUG This feature is useful for those who are either debugging the HID parser or any HID hardware device. - If unsure, say N + If unsure, say Y. config HIDRAW bool "/dev/hidraw raw HID device support" @@ -70,18 +70,6 @@ source "drivers/hid/usbhid/Kconfig" menu "Special HID drivers" depends on HID -config HID_COMPAT - bool "Load all HID drivers on hid core load" - default y - ---help--- - Compatible option for older userspace. If you have system without udev - support of module loading through aliases and also old - module-init-tools which can't handle hid bus, choose Y here. Otherwise - say N. If you say N and your userspace is old enough, the only - functionality you lose is modules autoloading. - - If unsure, say Y. - config HID_A4TECH tristate "A4 tech" if EMBEDDED depends on USB_HID @@ -128,6 +116,14 @@ config HID_CYPRESS ---help--- Support for cypress mouse and barcode readers. +config DRAGONRISE_FF + tristate "DragonRise Inc. force feedback support" + depends on USB_HID + select INPUT_FF_MEMLESS + ---help--- + Say Y here if you want to enable force feedback support for DragonRise Inc. + game controllers. + config HID_EZKEY tristate "Ezkey" if EMBEDDED depends on USB_HID @@ -135,6 +131,13 @@ config HID_EZKEY ---help--- Support for Ezkey BTC 8193 keyboard. +config HID_KYE + tristate "Kye" if EMBEDDED + depends on USB_HID + default !EMBEDDED + ---help--- + Support for Kye/Genius Ergo Mouse. + config HID_GYRATION tristate "Gyration" if EMBEDDED depends on USB_HID @@ -142,6 +145,13 @@ config HID_GYRATION ---help--- Support for Gyration remote control. +config HID_KENSINGTON + tristate "Kensington" if EMBEDDED + depends on USB_HID + default !EMBEDDED + ---help--- + Support for Kensington Slimblade Trackball. + config HID_LOGITECH tristate "Logitech" if EMBEDDED depends on USB_HID @@ -243,7 +253,7 @@ config GREENASIA_FF select INPUT_FF_MEMLESS ---help--- Say Y here if you have a GreenAsia (Product ID 0x12) based game controller - (like MANTA Warior MM816 and SpeedLink Strike2 SL-6635) or adapter + (like MANTA Warrior MM816 and SpeedLink Strike2 SL-6635) or adapter and want to enable force feedback support for it. config HID_TOPSEED diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index fbd021f153f1..1f7cb0fd4505 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -8,10 +8,6 @@ obj-$(CONFIG_HID) += hid.o hid-$(CONFIG_HID_DEBUG) += hid-debug.o hid-$(CONFIG_HIDRAW) += hidraw.o -ifdef CONFIG_HID_COMPAT -obj-m += hid-dummy.o -endif - hid-logitech-objs := hid-lg.o ifdef CONFIG_LOGITECH_FF hid-logitech-objs += hid-lgff.o @@ -26,8 +22,11 @@ obj-$(CONFIG_HID_BELKIN) += hid-belkin.o obj-$(CONFIG_HID_CHERRY) += hid-cherry.o obj-$(CONFIG_HID_CHICONY) += hid-chicony.o obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o +obj-$(CONFIG_DRAGONRISE_FF) += hid-drff.o obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o obj-$(CONFIG_HID_GYRATION) += hid-gyration.o +obj-$(CONFIG_HID_KENSINGTON) += hid-kensington.o +obj-$(CONFIG_HID_KYE) += hid-kye.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c index ebca00e6c103..42ea359e94cf 100644 --- a/drivers/hid/hid-a4tech.c +++ b/drivers/hid/hid-a4tech.c @@ -158,5 +158,3 @@ static void a4_exit(void) module_init(a4_init); module_exit(a4_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(a4tech); diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index aa28aed0e46c..7359d9d88e46 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -53,7 +53,7 @@ struct apple_key_translation { u8 flags; }; -static struct apple_key_translation apple_fn_keys[] = { +static const struct apple_key_translation apple_fn_keys[] = { { KEY_BACKSPACE, KEY_DELETE }, { KEY_ENTER, KEY_INSERT }, { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, @@ -75,7 +75,7 @@ static struct apple_key_translation apple_fn_keys[] = { { } }; -static struct apple_key_translation powerbook_fn_keys[] = { +static const struct apple_key_translation powerbook_fn_keys[] = { { KEY_BACKSPACE, KEY_DELETE }, { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, @@ -94,7 +94,7 @@ static struct apple_key_translation powerbook_fn_keys[] = { { } }; -static struct apple_key_translation powerbook_numlock_keys[] = { +static const struct apple_key_translation powerbook_numlock_keys[] = { { KEY_J, KEY_KP1 }, { KEY_K, KEY_KP2 }, { KEY_L, KEY_KP3 }, @@ -117,16 +117,16 @@ static struct apple_key_translation powerbook_numlock_keys[] = { { } }; -static struct apple_key_translation apple_iso_keyboard[] = { +static const struct apple_key_translation apple_iso_keyboard[] = { { KEY_GRAVE, KEY_102ND }, { KEY_102ND, KEY_GRAVE }, { } }; -static struct apple_key_translation *apple_find_translation( - struct apple_key_translation *table, u16 from) +static const struct apple_key_translation *apple_find_translation( + const struct apple_key_translation *table, u16 from) { - struct apple_key_translation *trans; + const struct apple_key_translation *trans; /* Look for the translation */ for (trans = table; trans->from; trans++) @@ -140,7 +140,7 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, struct hid_usage *usage, __s32 value) { struct apple_sc *asc = hid_get_drvdata(hid); - struct apple_key_translation *trans; + const struct apple_key_translation *trans; if (usage->code == KEY_FN) { asc->fn_on = !!value; @@ -253,7 +253,7 @@ static void apple_report_fixup(struct hid_device *hdev, __u8 *rdesc, static void apple_setup_input(struct input_dev *input) { - struct apple_key_translation *trans; + const struct apple_key_translation *trans; set_bit(KEY_NUMLOCK, input->keybit); @@ -387,6 +387,12 @@ static const struct hid_device_id apple_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS), + .driver_data = APPLE_HAS_FN }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI), .driver_data = APPLE_HAS_FN }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO), @@ -468,5 +474,3 @@ static void apple_exit(void) module_init(apple_init); module_exit(apple_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(apple); diff --git a/drivers/hid/hid-belkin.c b/drivers/hid/hid-belkin.c index 12c8a9ba6ed6..2f6723133a4b 100644 --- a/drivers/hid/hid-belkin.c +++ b/drivers/hid/hid-belkin.c @@ -101,5 +101,3 @@ static void belkin_exit(void) module_init(belkin_init); module_exit(belkin_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(belkin); diff --git a/drivers/hid/hid-cherry.c b/drivers/hid/hid-cherry.c index b833b9769aba..ab8209e7e45c 100644 --- a/drivers/hid/hid-cherry.c +++ b/drivers/hid/hid-cherry.c @@ -83,5 +83,3 @@ static void ch_exit(void) module_init(ch_init); module_exit(ch_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(cherry); diff --git a/drivers/hid/hid-chicony.c b/drivers/hid/hid-chicony.c index a54d4096e0f7..7f91076d8493 100644 --- a/drivers/hid/hid-chicony.c +++ b/drivers/hid/hid-chicony.c @@ -76,5 +76,3 @@ static void ch_exit(void) module_init(ch_init); module_exit(ch_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(chicony); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 1cc967448f4d..5746a5903bce 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1236,6 +1236,9 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) }, @@ -1262,6 +1265,7 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, @@ -1269,6 +1273,8 @@ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, @@ -1813,14 +1819,21 @@ void hid_unregister_driver(struct hid_driver *hdrv) } EXPORT_SYMBOL_GPL(hid_unregister_driver); -#ifdef CONFIG_HID_COMPAT -static void hid_compat_load(struct work_struct *ws) +int hid_check_keys_pressed(struct hid_device *hid) { - request_module("hid-dummy"); + struct hid_input *hidinput; + int i; + + list_for_each_entry(hidinput, &hid->inputs, list) { + for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++) + if (hidinput->input->key[i]) + return 1; + } + + return 0; } -static DECLARE_WORK(hid_compat_work, hid_compat_load); -static struct workqueue_struct *hid_compat_wq; -#endif + +EXPORT_SYMBOL_GPL(hid_check_keys_pressed); static int __init hid_init(void) { @@ -1836,15 +1849,6 @@ static int __init hid_init(void) if (ret) goto err_bus; -#ifdef CONFIG_HID_COMPAT - hid_compat_wq = create_singlethread_workqueue("hid_compat"); - if (!hid_compat_wq) { - hidraw_exit(); - goto err; - } - queue_work(hid_compat_wq, &hid_compat_work); -#endif - return 0; err_bus: bus_unregister(&hid_bus_type); @@ -1854,9 +1858,6 @@ err: static void __exit hid_exit(void) { -#ifdef CONFIG_HID_COMPAT - destroy_workqueue(hid_compat_wq); -#endif hidraw_exit(); bus_unregister(&hid_bus_type); } diff --git a/drivers/hid/hid-cypress.c b/drivers/hid/hid-cypress.c index 5d69d27b935d..9d6d3b91773b 100644 --- a/drivers/hid/hid-cypress.c +++ b/drivers/hid/hid-cypress.c @@ -154,5 +154,3 @@ static void cp_exit(void) module_init(cp_init); module_exit(cp_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(cypress); diff --git a/drivers/hid/hid-drff.c b/drivers/hid/hid-drff.c new file mode 100644 index 000000000000..34f3eb65100b --- /dev/null +++ b/drivers/hid/hid-drff.c @@ -0,0 +1,188 @@ +/* + * Force feedback support for DragonRise Inc. game controllers + * + * From what I have gathered, these devices are mass produced in China and are + * distributed under several vendors. They often share the same design as + * the original PlayStation DualShock controller. + * + * 0079:0006 "DragonRise Inc. Generic USB Joystick " + * - tested with a Tesun USB-703 game controller. + * + * Copyright (c) 2009 Richard Walmsley <richwalm@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/input.h> +#include <linux/usb.h> +#include <linux/hid.h> + +#include "hid-ids.h" +#include "usbhid/usbhid.h" + +struct drff_device { + struct hid_report *report; +}; + +static int drff_play(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct drff_device *drff = data; + int strong, weak; + + strong = effect->u.rumble.strong_magnitude; + weak = effect->u.rumble.weak_magnitude; + + dbg_hid("called with 0x%04x 0x%04x", strong, weak); + + if (strong || weak) { + strong = strong * 0xff / 0xffff; + weak = weak * 0xff / 0xffff; + + /* While reverse engineering this device, I found that when + this value is set, it causes the strong rumble to function + at a near maximum speed, so we'll bypass it. */ + if (weak == 0x0a) + weak = 0x0b; + + drff->report->field[0]->value[0] = 0x51; + drff->report->field[0]->value[1] = 0x00; + drff->report->field[0]->value[2] = weak; + drff->report->field[0]->value[4] = strong; + usbhid_submit_report(hid, drff->report, USB_DIR_OUT); + + drff->report->field[0]->value[0] = 0xfa; + drff->report->field[0]->value[1] = 0xfe; + } else { + drff->report->field[0]->value[0] = 0xf3; + drff->report->field[0]->value[1] = 0x00; + } + + drff->report->field[0]->value[2] = 0x00; + drff->report->field[0]->value[4] = 0x00; + dbg_hid("running with 0x%02x 0x%02x", strong, weak); + usbhid_submit_report(hid, drff->report, USB_DIR_OUT); + + return 0; +} + +static int drff_init(struct hid_device *hid) +{ + struct drff_device *drff; + struct hid_report *report; + struct hid_input *hidinput = list_first_entry(&hid->inputs, + struct hid_input, list); + struct list_head *report_list = + &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct input_dev *dev = hidinput->input; + int error; + + if (list_empty(report_list)) { + dev_err(&hid->dev, "no output reports found\n"); + return -ENODEV; + } + + report = list_first_entry(report_list, struct hid_report, list); + if (report->maxfield < 1) { + dev_err(&hid->dev, "no fields in the report\n"); + return -ENODEV; + } + + if (report->field[0]->report_count < 7) { + dev_err(&hid->dev, "not enough values in the field\n"); + return -ENODEV; + } + + drff = kzalloc(sizeof(struct drff_device), GFP_KERNEL); + if (!drff) + return -ENOMEM; + + set_bit(FF_RUMBLE, dev->ffbit); + + error = input_ff_create_memless(dev, drff, drff_play); + if (error) { + kfree(drff); + return error; + } + + drff->report = report; + drff->report->field[0]->value[0] = 0xf3; + drff->report->field[0]->value[1] = 0x00; + drff->report->field[0]->value[2] = 0x00; + drff->report->field[0]->value[3] = 0x00; + drff->report->field[0]->value[4] = 0x00; + drff->report->field[0]->value[5] = 0x00; + drff->report->field[0]->value[6] = 0x00; + usbhid_submit_report(hid, drff->report, USB_DIR_OUT); + + dev_info(&hid->dev, "Force Feedback for DragonRise Inc. game " + "controllers by Richard Walmsley <richwalm@gmail.com>\n"); + + return 0; +} + +static int dr_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + dev_dbg(&hdev->dev, "DragonRise Inc. HID hardware probe..."); + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err; + } + + drff_init(hdev); + + return 0; +err: + return ret; +} + +static const struct hid_device_id dr_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006), }, + { } +}; +MODULE_DEVICE_TABLE(hid, dr_devices); + +static struct hid_driver dr_driver = { + .name = "dragonrise", + .id_table = dr_devices, + .probe = dr_probe, +}; + +static int __init dr_init(void) +{ + return hid_register_driver(&dr_driver); +} + +static void __exit dr_exit(void) +{ + hid_unregister_driver(&dr_driver); +} + +module_init(dr_init); +module_exit(dr_exit); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c deleted file mode 100644 index b4cc0f743d63..000000000000 --- a/drivers/hid/hid-dummy.c +++ /dev/null @@ -1,78 +0,0 @@ -#include <linux/autoconf.h> -#include <linux/module.h> -#include <linux/hid.h> - -static int __init hid_dummy_init(void) -{ -#ifdef CONFIG_HID_A4TECH_MODULE - HID_COMPAT_CALL_DRIVER(a4tech); -#endif -#ifdef CONFIG_HID_APPLE_MODULE - HID_COMPAT_CALL_DRIVER(apple); -#endif -#ifdef CONFIG_HID_BELKIN_MODULE - HID_COMPAT_CALL_DRIVER(belkin); -#endif -#ifdef CONFIG_HID_BRIGHT_MODULE - HID_COMPAT_CALL_DRIVER(bright); -#endif -#ifdef CONFIG_HID_CHERRY_MODULE - HID_COMPAT_CALL_DRIVER(cherry); -#endif -#ifdef CONFIG_HID_CHICONY_MODULE - HID_COMPAT_CALL_DRIVER(chicony); -#endif -#ifdef CONFIG_HID_CYPRESS_MODULE - HID_COMPAT_CALL_DRIVER(cypress); -#endif -#ifdef CONFIG_HID_DELL_MODULE - HID_COMPAT_CALL_DRIVER(dell); -#endif -#ifdef CONFIG_HID_EZKEY_MODULE - HID_COMPAT_CALL_DRIVER(ezkey); -#endif -#ifdef CONFIG_HID_GYRATION_MODULE - HID_COMPAT_CALL_DRIVER(gyration); -#endif -#ifdef CONFIG_HID_LOGITECH_MODULE - HID_COMPAT_CALL_DRIVER(logitech); -#endif -#ifdef CONFIG_HID_MICROSOFT_MODULE - HID_COMPAT_CALL_DRIVER(microsoft); -#endif -#ifdef CONFIG_HID_MONTEREY_MODULE - HID_COMPAT_CALL_DRIVER(monterey); -#endif -#ifdef CONFIG_HID_NTRIG_MODULE - HID_COMPAT_CALL_DRIVER(ntrig); -#endif -#ifdef CONFIG_HID_PANTHERLORD_MODULE - HID_COMPAT_CALL_DRIVER(pantherlord); -#endif -#ifdef CONFIG_HID_PETALYNX_MODULE - HID_COMPAT_CALL_DRIVER(petalynx); -#endif -#ifdef CONFIG_HID_SAMSUNG_MODULE - HID_COMPAT_CALL_DRIVER(samsung); -#endif -#ifdef CONFIG_HID_SONY_MODULE - HID_COMPAT_CALL_DRIVER(sony); -#endif -#ifdef CONFIG_HID_SUNPLUS_MODULE - HID_COMPAT_CALL_DRIVER(sunplus); -#endif -#ifdef CONFIG_GREENASIA_FF_MODULE - HID_COMPAT_CALL_DRIVER(greenasia); -#endif -#ifdef CONFIG_THRUSTMASTER_FF_MODULE - HID_COMPAT_CALL_DRIVER(thrustmaster); -#endif -#ifdef CONFIG_ZEROPLUS_FF_MODULE - HID_COMPAT_CALL_DRIVER(zeroplus); -#endif - - return -EIO; -} -module_init(hid_dummy_init); - -MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-ezkey.c b/drivers/hid/hid-ezkey.c index deb42f931b7e..0a1fe054799b 100644 --- a/drivers/hid/hid-ezkey.c +++ b/drivers/hid/hid-ezkey.c @@ -91,5 +91,3 @@ static void ez_exit(void) module_init(ez_init); module_exit(ez_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(ezkey); diff --git a/drivers/hid/hid-gaff.c b/drivers/hid/hid-gaff.c index 71211f6a4f02..510ad3ab8d33 100644 --- a/drivers/hid/hid-gaff.c +++ b/drivers/hid/hid-gaff.c @@ -181,5 +181,3 @@ static void __exit ga_exit(void) module_init(ga_init); module_exit(ga_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(greenasia); diff --git a/drivers/hid/hid-gyration.c b/drivers/hid/hid-gyration.c index 04a0afec52ac..d42d222097a8 100644 --- a/drivers/hid/hid-gyration.c +++ b/drivers/hid/hid-gyration.c @@ -94,5 +94,3 @@ static void gyration_exit(void) module_init(gyration_init); module_exit(gyration_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(gyration); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 88511970508d..bdeda4c7cc13 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -67,6 +67,9 @@ #define USB_DEVICE_ID_APPLE_GEYSER4_ANSI 0x021a #define USB_DEVICE_ID_APPLE_GEYSER4_ISO 0x021b #define USB_DEVICE_ID_APPLE_GEYSER4_JIS 0x021c +#define USB_DEVICE_ID_APPLE_ALU_MINI_ANSI 0x021d +#define USB_DEVICE_ID_APPLE_ALU_MINI_ISO 0x021e +#define USB_DEVICE_ID_APPLE_ALU_MINI_JIS 0x021f #define USB_DEVICE_ID_APPLE_ALU_ANSI 0x0220 #define USB_DEVICE_ID_APPLE_ALU_ISO 0x0221 #define USB_DEVICE_ID_APPLE_ALU_JIS 0x0222 @@ -148,6 +151,8 @@ #define USB_VENDOR_ID_DMI 0x0c0b #define USB_DEVICE_ID_DMI_ENC 0x5fab +#define USB_VENDOR_ID_DRAGONRISE 0x0079 + #define USB_VENDOR_ID_ELO 0x04E7 #define USB_DEVICE_ID_ELO_TS2700 0x0020 @@ -272,6 +277,9 @@ #define USB_DEVICE_ID_LD_POWERCONTROL 0x2030 #define USB_DEVICE_ID_LD_MACHINETEST 0x2040 +#define USB_VENDOR_ID_KENSINGTON 0x047d +#define USB_DEVICE_ID_KS_SLIMBLADE 0x2041 + #define USB_VENDOR_ID_LOGITECH 0x046d #define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101 #define USB_DEVICE_ID_LOGITECH_HARMONY_FIRST 0xc110 @@ -418,6 +426,8 @@ #define USB_VENDOR_ID_ZEROPLUS 0x0c12 #define USB_VENDOR_ID_KYE 0x0458 +#define USB_DEVICE_ID_KYE_ERGO_525V 0x0087 #define USB_DEVICE_ID_KYE_GPEN_560 0x5003 + #endif diff --git a/drivers/hid/hid-kensington.c b/drivers/hid/hid-kensington.c new file mode 100644 index 000000000000..7353bd79cbe9 --- /dev/null +++ b/drivers/hid/hid-kensington.c @@ -0,0 +1,63 @@ +/* + * HID driver for Kensigton Slimblade Trackball + * + * Copyright (c) 2009 Jiri Kosina + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define ks_map_key(c) hid_map_usage(hi, usage, bit, max, EV_KEY, (c)) + +static int ks_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x01: ks_map_key(BTN_MIDDLE); break; + case 0x02: ks_map_key(BTN_SIDE); break; + default: + return 0; + } + return 1; +} + +static const struct hid_device_id ks_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ks_devices); + +static struct hid_driver ks_driver = { + .name = "kensington", + .id_table = ks_devices, + .input_mapping = ks_input_mapping, +}; + +static int ks_init(void) +{ + return hid_register_driver(&ks_driver); +} + +static void ks_exit(void) +{ + hid_unregister_driver(&ks_driver); +} + +module_init(ks_init); +module_exit(ks_exit); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-kye.c b/drivers/hid/hid-kye.c new file mode 100644 index 000000000000..72ee3fec56d9 --- /dev/null +++ b/drivers/hid/hid-kye.c @@ -0,0 +1,69 @@ +/* + * HID driver for Kye/Genius devices not fully compliant with HID standard + * + * Copyright (c) 2009 Jiri Kosina + * Copyright (c) 2009 Tomas Hanak + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +/* the fixups that need to be done: + * - change led usage page to button for extra buttons + * - report size 8 count 1 must be size 1 count 8 for button bitfield + * - change the button usage range to 4-7 for the extra buttons + */ +static void kye_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 74 && + rdesc[61] == 0x05 && rdesc[62] == 0x08 && + rdesc[63] == 0x19 && rdesc[64] == 0x08 && + rdesc[65] == 0x29 && rdesc[66] == 0x0f && + rdesc[71] == 0x75 && rdesc[72] == 0x08 && + rdesc[73] == 0x95 && rdesc[74] == 0x01) { + dev_info(&hdev->dev, "fixing up Kye/Genius Ergo Mouse report " + "descriptor\n"); + rdesc[62] = 0x09; + rdesc[64] = 0x04; + rdesc[66] = 0x07; + rdesc[72] = 0x01; + rdesc[74] = 0x08; + } +} + +static const struct hid_device_id kye_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, + { } +}; +MODULE_DEVICE_TABLE(hid, kye_devices); + +static struct hid_driver kye_driver = { + .name = "kye", + .id_table = kye_devices, + .report_fixup = kye_report_fixup, +}; + +static int kye_init(void) +{ + return hid_register_driver(&kye_driver); +} + +static void kye_exit(void) +{ + hid_unregister_driver(&kye_driver); +} + +module_init(kye_init); +module_exit(kye_exit); +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index 83e07c9f4144..7b80cb694982 100644 --- a/drivers/hid/hid-lg.c +++ b/drivers/hid/hid-lg.c @@ -326,5 +326,3 @@ static void lg_exit(void) module_init(lg_init); module_exit(lg_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(logitech); diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index 25b10dcad90d..5e9e37a0506d 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -210,5 +210,3 @@ static void ms_exit(void) module_init(ms_init); module_exit(ms_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(microsoft); diff --git a/drivers/hid/hid-monterey.c b/drivers/hid/hid-monterey.c index f3a85a065f18..240f87618be6 100644 --- a/drivers/hid/hid-monterey.c +++ b/drivers/hid/hid-monterey.c @@ -78,5 +78,3 @@ static void mr_exit(void) module_init(mr_init); module_exit(mr_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(monterey); diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c index db44fbd7bdf6..c5b252be9c21 100644 --- a/drivers/hid/hid-ntrig.c +++ b/drivers/hid/hid-ntrig.c @@ -78,5 +78,3 @@ static void ntrig_exit(void) module_init(ntrig_init); module_exit(ntrig_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(ntrig); diff --git a/drivers/hid/hid-petalynx.c b/drivers/hid/hid-petalynx.c index 10945fe12d50..2e83e8ff891a 100644 --- a/drivers/hid/hid-petalynx.c +++ b/drivers/hid/hid-petalynx.c @@ -118,5 +118,3 @@ static void pl_exit(void) module_init(pl_init); module_exit(pl_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(petalynx); diff --git a/drivers/hid/hid-pl.c b/drivers/hid/hid-pl.c index 46941f979b9d..4db9a3483760 100644 --- a/drivers/hid/hid-pl.c +++ b/drivers/hid/hid-pl.c @@ -9,9 +9,12 @@ * - contains two reports, one for each port (HID_QUIRK_MULTI_INPUT) * * 0e8f:0003 "GreenAsia Inc. USB Joystick " - * - tested with K??ng Gaming gamepad + * - tested with König Gaming gamepad * - * Copyright (c) 2007 Anssi Hannula <anssi.hannula@gmail.com> + * 0e8f:0003 "GASIA USB Gamepad" + * - another version of the König gamepad + * + * Copyright (c) 2007, 2009 Anssi Hannula <anssi.hannula@gmail.com> */ /* @@ -46,6 +49,8 @@ struct plff_device { struct hid_report *report; + s32 *strong; + s32 *weak; }; static int hid_plff_play(struct input_dev *dev, void *data, @@ -62,8 +67,8 @@ static int hid_plff_play(struct input_dev *dev, void *data, left = left * 0x7f / 0xffff; right = right * 0x7f / 0xffff; - plff->report->field[0]->value[2] = left; - plff->report->field[0]->value[3] = right; + *plff->strong = left; + *plff->weak = right; debug("running with 0x%02x 0x%02x", left, right); usbhid_submit_report(hid, plff->report, USB_DIR_OUT); @@ -80,6 +85,8 @@ static int plff_init(struct hid_device *hid) struct list_head *report_ptr = report_list; struct input_dev *dev; int error; + s32 *strong; + s32 *weak; /* The device contains one output report per physical device, all containing 1 field, which contains 4 ff00.0002 usages and 4 16bit @@ -87,7 +94,12 @@ static int plff_init(struct hid_device *hid) The input reports also contain a field which contains 8 ff00.0001 usages and 8 boolean values. Their meaning is - currently unknown. */ + currently unknown. + + A version of the 0e8f:0003 exists that has all the values in + separate fields and misses the extra input field, thus resembling + Zeroplus (hid-zpff) devices. + */ if (list_empty(report_list)) { dev_err(&hid->dev, "no output reports found\n"); @@ -110,8 +122,21 @@ static int plff_init(struct hid_device *hid) return -ENODEV; } - if (report->field[0]->report_count < 4) { - dev_err(&hid->dev, "not enough values in the field\n"); + if (report->field[0]->report_count >= 4) { + report->field[0]->value[0] = 0x00; + report->field[0]->value[1] = 0x00; + strong = &report->field[0]->value[2]; + weak = &report->field[0]->value[3]; + debug("detected single-field device"); + } else if (report->maxfield >= 4 && report->field[0]->maxusage == 1 && + report->field[0]->usage[0].hid == (HID_UP_LED | 0x43)) { + report->field[0]->value[0] = 0x00; + report->field[1]->value[0] = 0x00; + strong = &report->field[2]->value[0]; + weak = &report->field[3]->value[0]; + debug("detected 4-field device"); + } else { + dev_err(&hid->dev, "not enough fields or values\n"); return -ENODEV; } @@ -130,10 +155,11 @@ static int plff_init(struct hid_device *hid) } plff->report = report; - plff->report->field[0]->value[0] = 0x00; - plff->report->field[0]->value[1] = 0x00; - plff->report->field[0]->value[2] = 0x00; - plff->report->field[0]->value[3] = 0x00; + plff->strong = strong; + plff->weak = weak; + + *strong = 0x00; + *weak = 0x00; usbhid_submit_report(hid, plff->report, USB_DIR_OUT); } @@ -180,7 +206,7 @@ static const struct hid_device_id pl_devices[] = { .driver_data = 1 }, /* Twin USB Joystick */ { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR), .driver_data = 1 }, /* Twin USB Joystick */ - { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003), }, /* GreenAsia Inc. USB Joystick */ + { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003), }, { } }; MODULE_DEVICE_TABLE(hid, pl_devices); @@ -204,5 +230,3 @@ static void pl_exit(void) module_init(pl_init); module_exit(pl_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(pantherlord); diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c index 15f3c0492450..07083aa6c19a 100644 --- a/drivers/hid/hid-samsung.c +++ b/drivers/hid/hid-samsung.c @@ -96,5 +96,3 @@ static void samsung_exit(void) module_init(samsung_init); module_exit(samsung_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(samsung); diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index dd5a3979a4de..c2599388a350 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -148,5 +148,3 @@ static void sony_exit(void) module_init(sony_init); module_exit(sony_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(sony); diff --git a/drivers/hid/hid-sunplus.c b/drivers/hid/hid-sunplus.c index 5ba68f7dbb78..e0a8fd36a85b 100644 --- a/drivers/hid/hid-sunplus.c +++ b/drivers/hid/hid-sunplus.c @@ -78,5 +78,3 @@ static void sp_exit(void) module_init(sp_init); module_exit(sp_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(sunplus); diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c index 1b7cba0f7e1f..7c1f7b50330c 100644 --- a/drivers/hid/hid-tmff.c +++ b/drivers/hid/hid-tmff.c @@ -265,5 +265,3 @@ static void tm_exit(void) module_init(tm_init); module_exit(tm_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(thrustmaster); diff --git a/drivers/hid/hid-topseed.c b/drivers/hid/hid-topseed.c index cca64a0564a9..152ccfabeba5 100644 --- a/drivers/hid/hid-topseed.c +++ b/drivers/hid/hid-topseed.c @@ -73,5 +73,3 @@ static void ts_exit(void) module_init(ts_init); module_exit(ts_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(topseed); diff --git a/drivers/hid/hid-zpff.c b/drivers/hid/hid-zpff.c index ea82f3718b21..85a198a18537 100644 --- a/drivers/hid/hid-zpff.c +++ b/drivers/hid/hid-zpff.c @@ -158,5 +158,3 @@ static void zp_exit(void) module_init(zp_init); module_exit(zp_exit); MODULE_LICENSE("GPL"); - -HID_COMPAT_LOAD_DRIVER(zeroplus); diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 02b19db5442e..e263d4731179 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -181,9 +181,17 @@ static int hidraw_open(struct inode *inode, struct file *file) dev = hidraw_table[minor]; if (!dev->open++) { + if (dev->hid->ll_driver->power) { + err = dev->hid->ll_driver->power(dev->hid, PM_HINT_FULLON); + if (err < 0) + goto out_unlock; + } err = dev->hid->ll_driver->open(dev->hid); - if (err < 0) + if (err < 0) { + if (dev->hid->ll_driver->power) + dev->hid->ll_driver->power(dev->hid, PM_HINT_NORMAL); dev->open--; + } } out_unlock: @@ -209,10 +217,13 @@ static int hidraw_release(struct inode * inode, struct file * file) list_del(&list->node); dev = hidraw_table[minor]; if (!--dev->open) { - if (list->hidraw->exist) + if (list->hidraw->exist) { + if (dev->hid->ll_driver->power) + dev->hid->ll_driver->power(dev->hid, PM_HINT_NORMAL); dev->hid->ll_driver->close(dev->hid); - else + } else { kfree(list->hidraw); + } } kfree(list); diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index f0a0f72238ab..4306cb1b8ce5 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -5,6 +5,7 @@ * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc * Copyright (c) 2006-2008 Jiri Kosina + * Copyright (c) 2007-2008 Oliver Neukum */ /* @@ -27,6 +28,7 @@ #include <asm/byteorder.h> #include <linux/input.h> #include <linux/wait.h> +#include <linux/workqueue.h> #include <linux/usb.h> @@ -53,6 +55,10 @@ static unsigned int hid_mousepoll_interval; module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644); MODULE_PARM_DESC(mousepoll, "Polling interval of mice"); +static unsigned int ignoreled; +module_param_named(ignoreled, ignoreled, uint, 0644); +MODULE_PARM_DESC(ignoreled, "Autosuspend with active leds"); + /* Quirks specified at module load time */ static char *quirks_param[MAX_USBHID_BOOT_QUIRKS] = { [ 0 ... (MAX_USBHID_BOOT_QUIRKS - 1) ] = NULL }; module_param_array_named(quirks, quirks_param, charp, NULL, 0444); @@ -63,8 +69,13 @@ MODULE_PARM_DESC(quirks, "Add/modify USB HID quirks by specifying " /* * Input submission and I/O error handler. */ +static DEFINE_MUTEX(hid_open_mut); +static struct workqueue_struct *resumption_waker; static void hid_io_error(struct hid_device *hid); +static int hid_submit_out(struct hid_device *hid); +static int hid_submit_ctrl(struct hid_device *hid); +static void hid_cancel_delayed_stuff(struct usbhid_device *usbhid); /* Start up the input URB */ static int hid_start_in(struct hid_device *hid) @@ -73,15 +84,16 @@ static int hid_start_in(struct hid_device *hid) int rc = 0; struct usbhid_device *usbhid = hid->driver_data; - spin_lock_irqsave(&usbhid->inlock, flags); - if (hid->open > 0 && !test_bit(HID_SUSPENDED, &usbhid->iofl) && + spin_lock_irqsave(&usbhid->lock, flags); + if (hid->open > 0 && !test_bit(HID_DISCONNECTED, &usbhid->iofl) && + !test_bit(HID_REPORTED_IDLE, &usbhid->iofl) && !test_and_set_bit(HID_IN_RUNNING, &usbhid->iofl)) { rc = usb_submit_urb(usbhid->urbin, GFP_ATOMIC); if (rc != 0) clear_bit(HID_IN_RUNNING, &usbhid->iofl); } - spin_unlock_irqrestore(&usbhid->inlock, flags); + spin_unlock_irqrestore(&usbhid->lock, flags); return rc; } @@ -145,7 +157,7 @@ static void hid_io_error(struct hid_device *hid) unsigned long flags; struct usbhid_device *usbhid = hid->driver_data; - spin_lock_irqsave(&usbhid->inlock, flags); + spin_lock_irqsave(&usbhid->lock, flags); /* Stop when disconnected */ if (test_bit(HID_DISCONNECTED, &usbhid->iofl)) @@ -175,7 +187,51 @@ static void hid_io_error(struct hid_device *hid) mod_timer(&usbhid->io_retry, jiffies + msecs_to_jiffies(usbhid->retry_delay)); done: - spin_unlock_irqrestore(&usbhid->inlock, flags); + spin_unlock_irqrestore(&usbhid->lock, flags); +} + +static void usbhid_mark_busy(struct usbhid_device *usbhid) +{ + struct usb_interface *intf = usbhid->intf; + + usb_mark_last_busy(interface_to_usbdev(intf)); +} + +static int usbhid_restart_out_queue(struct usbhid_device *usbhid) +{ + struct hid_device *hid = usb_get_intfdata(usbhid->intf); + int kicked; + + if (!hid) + return 0; + + if ((kicked = (usbhid->outhead != usbhid->outtail))) { + dbg("Kicking head %d tail %d", usbhid->outhead, usbhid->outtail); + if (hid_submit_out(hid)) { + clear_bit(HID_OUT_RUNNING, &usbhid->iofl); + wake_up(&usbhid->wait); + } + } + return kicked; +} + +static int usbhid_restart_ctrl_queue(struct usbhid_device *usbhid) +{ + struct hid_device *hid = usb_get_intfdata(usbhid->intf); + int kicked; + + WARN_ON(hid == NULL); + if (!hid) + return 0; + + if ((kicked = (usbhid->ctrlhead != usbhid->ctrltail))) { + dbg("Kicking head %d tail %d", usbhid->ctrlhead, usbhid->ctrltail); + if (hid_submit_ctrl(hid)) { + clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); + wake_up(&usbhid->wait); + } + } + return kicked; } /* @@ -190,12 +246,23 @@ static void hid_irq_in(struct urb *urb) switch (urb->status) { case 0: /* success */ + usbhid_mark_busy(usbhid); usbhid->retry_delay = 0; hid_input_report(urb->context, HID_INPUT_REPORT, urb->transfer_buffer, urb->actual_length, 1); + /* + * autosuspend refused while keys are pressed + * because most keyboards don't wake up when + * a key is released + */ + if (hid_check_keys_pressed(hid)) + set_bit(HID_KEYS_PRESSED, &usbhid->iofl); + else + clear_bit(HID_KEYS_PRESSED, &usbhid->iofl); break; case -EPIPE: /* stall */ + usbhid_mark_busy(usbhid); clear_bit(HID_IN_RUNNING, &usbhid->iofl); set_bit(HID_CLEAR_HALT, &usbhid->iofl); schedule_work(&usbhid->reset_work); @@ -209,6 +276,7 @@ static void hid_irq_in(struct urb *urb) case -EPROTO: /* protocol error or unplug */ case -ETIME: /* protocol error or unplug */ case -ETIMEDOUT: /* Should never happen, but... */ + usbhid_mark_busy(usbhid); clear_bit(HID_IN_RUNNING, &usbhid->iofl); hid_io_error(hid); return; @@ -239,16 +307,25 @@ static int hid_submit_out(struct hid_device *hid) report = usbhid->out[usbhid->outtail].report; raw_report = usbhid->out[usbhid->outtail].raw_report; - usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0); - usbhid->urbout->dev = hid_to_usb_dev(hid); - memcpy(usbhid->outbuf, raw_report, usbhid->urbout->transfer_buffer_length); - kfree(raw_report); + if (!test_bit(HID_REPORTED_IDLE, &usbhid->iofl)) { + usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0); + usbhid->urbout->dev = hid_to_usb_dev(hid); + memcpy(usbhid->outbuf, raw_report, usbhid->urbout->transfer_buffer_length); + kfree(raw_report); - dbg_hid("submitting out urb\n"); + dbg_hid("submitting out urb\n"); - if (usb_submit_urb(usbhid->urbout, GFP_ATOMIC)) { - err_hid("usb_submit_urb(out) failed"); - return -1; + if (usb_submit_urb(usbhid->urbout, GFP_ATOMIC)) { + err_hid("usb_submit_urb(out) failed"); + return -1; + } + } else { + /* + * queue work to wake up the device. + * as the work queue is freezeable, this is safe + * with respect to STD and STR + */ + queue_work(resumption_waker, &usbhid->restart_work); } return 0; @@ -266,41 +343,50 @@ static int hid_submit_ctrl(struct hid_device *hid) raw_report = usbhid->ctrl[usbhid->ctrltail].raw_report; dir = usbhid->ctrl[usbhid->ctrltail].dir; - len = ((report->size - 1) >> 3) + 1 + (report->id > 0); - if (dir == USB_DIR_OUT) { - usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0); - usbhid->urbctrl->transfer_buffer_length = len; - memcpy(usbhid->ctrlbuf, raw_report, len); - kfree(raw_report); - } else { - int maxpacket, padlen; - - usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0); - maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0); - if (maxpacket > 0) { - padlen = DIV_ROUND_UP(len, maxpacket); - padlen *= maxpacket; - if (padlen > usbhid->bufsize) - padlen = usbhid->bufsize; - } else - padlen = 0; - usbhid->urbctrl->transfer_buffer_length = padlen; - } - usbhid->urbctrl->dev = hid_to_usb_dev(hid); + if (!test_bit(HID_REPORTED_IDLE, &usbhid->iofl)) { + len = ((report->size - 1) >> 3) + 1 + (report->id > 0); + if (dir == USB_DIR_OUT) { + usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0); + usbhid->urbctrl->transfer_buffer_length = len; + memcpy(usbhid->ctrlbuf, raw_report, len); + kfree(raw_report); + } else { + int maxpacket, padlen; + + usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0); + maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0); + if (maxpacket > 0) { + padlen = DIV_ROUND_UP(len, maxpacket); + padlen *= maxpacket; + if (padlen > usbhid->bufsize) + padlen = usbhid->bufsize; + } else + padlen = 0; + usbhid->urbctrl->transfer_buffer_length = padlen; + } + usbhid->urbctrl->dev = hid_to_usb_dev(hid); - usbhid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir; - usbhid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT; - usbhid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id); - usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum); - usbhid->cr->wLength = cpu_to_le16(len); + usbhid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir; + usbhid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT; + usbhid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id); + usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum); + usbhid->cr->wLength = cpu_to_le16(len); - dbg_hid("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u\n", - usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report", - usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength); + dbg_hid("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u\n", + usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report", + usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength); - if (usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC)) { - err_hid("usb_submit_urb(ctrl) failed"); - return -1; + if (usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC)) { + err_hid("usb_submit_urb(ctrl) failed"); + return -1; + } + } else { + /* + * queue work to wake up the device. + * as the work queue is freezeable, this is safe + * with respect to STD and STR + */ + queue_work(resumption_waker, &usbhid->restart_work); } return 0; @@ -332,7 +418,7 @@ static void hid_irq_out(struct urb *urb) "received\n", urb->status); } - spin_lock_irqsave(&usbhid->outlock, flags); + spin_lock_irqsave(&usbhid->lock, flags); if (unplug) usbhid->outtail = usbhid->outhead; @@ -344,12 +430,12 @@ static void hid_irq_out(struct urb *urb) clear_bit(HID_OUT_RUNNING, &usbhid->iofl); wake_up(&usbhid->wait); } - spin_unlock_irqrestore(&usbhid->outlock, flags); + spin_unlock_irqrestore(&usbhid->lock, flags); return; } clear_bit(HID_OUT_RUNNING, &usbhid->iofl); - spin_unlock_irqrestore(&usbhid->outlock, flags); + spin_unlock_irqrestore(&usbhid->lock, flags); wake_up(&usbhid->wait); } @@ -361,12 +447,11 @@ static void hid_ctrl(struct urb *urb) { struct hid_device *hid = urb->context; struct usbhid_device *usbhid = hid->driver_data; - unsigned long flags; - int unplug = 0; + int unplug = 0, status = urb->status; - spin_lock_irqsave(&usbhid->ctrllock, flags); + spin_lock(&usbhid->lock); - switch (urb->status) { + switch (status) { case 0: /* success */ if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN) hid_input_report(urb->context, @@ -383,7 +468,7 @@ static void hid_ctrl(struct urb *urb) break; default: /* error */ dev_warn(&urb->dev->dev, "ctrl urb status %d " - "received\n", urb->status); + "received\n", status); } if (unplug) @@ -396,19 +481,18 @@ static void hid_ctrl(struct urb *urb) clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); wake_up(&usbhid->wait); } - spin_unlock_irqrestore(&usbhid->ctrllock, flags); + spin_unlock(&usbhid->lock); return; } clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); - spin_unlock_irqrestore(&usbhid->ctrllock, flags); + spin_unlock(&usbhid->lock); wake_up(&usbhid->wait); } -void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir) +void __usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir) { int head; - unsigned long flags; struct usbhid_device *usbhid = hid->driver_data; int len = ((report->size - 1) >> 3) + 1 + (report->id > 0); @@ -416,18 +500,13 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns return; if (usbhid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) { - - spin_lock_irqsave(&usbhid->outlock, flags); - if ((head = (usbhid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == usbhid->outtail) { - spin_unlock_irqrestore(&usbhid->outlock, flags); dev_warn(&hid->dev, "output queue full\n"); return; } usbhid->out[usbhid->outhead].raw_report = kmalloc(len, GFP_ATOMIC); if (!usbhid->out[usbhid->outhead].raw_report) { - spin_unlock_irqrestore(&usbhid->outlock, flags); dev_warn(&hid->dev, "output queueing failed\n"); return; } @@ -438,15 +517,10 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns if (!test_and_set_bit(HID_OUT_RUNNING, &usbhid->iofl)) if (hid_submit_out(hid)) clear_bit(HID_OUT_RUNNING, &usbhid->iofl); - - spin_unlock_irqrestore(&usbhid->outlock, flags); return; } - spin_lock_irqsave(&usbhid->ctrllock, flags); - if ((head = (usbhid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == usbhid->ctrltail) { - spin_unlock_irqrestore(&usbhid->ctrllock, flags); dev_warn(&hid->dev, "control queue full\n"); return; } @@ -454,7 +528,6 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns if (dir == USB_DIR_OUT) { usbhid->ctrl[usbhid->ctrlhead].raw_report = kmalloc(len, GFP_ATOMIC); if (!usbhid->ctrl[usbhid->ctrlhead].raw_report) { - spin_unlock_irqrestore(&usbhid->ctrllock, flags); dev_warn(&hid->dev, "control queueing failed\n"); return; } @@ -467,15 +540,25 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns if (!test_and_set_bit(HID_CTRL_RUNNING, &usbhid->iofl)) if (hid_submit_ctrl(hid)) clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); +} + +void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir) +{ + struct usbhid_device *usbhid = hid->driver_data; + unsigned long flags; - spin_unlock_irqrestore(&usbhid->ctrllock, flags); + spin_lock_irqsave(&usbhid->lock, flags); + __usbhid_submit_report(hid, report, dir); + spin_unlock_irqrestore(&usbhid->lock, flags); } EXPORT_SYMBOL_GPL(usbhid_submit_report); static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) { struct hid_device *hid = input_get_drvdata(dev); + struct usbhid_device *usbhid = hid->driver_data; struct hid_field *field; + unsigned long flags; int offset; if (type == EV_FF) @@ -490,6 +573,15 @@ static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, un } hid_set_field(field, offset, value); + if (value) { + spin_lock_irqsave(&usbhid->lock, flags); + usbhid->ledcount++; + spin_unlock_irqrestore(&usbhid->lock, flags); + } else { + spin_lock_irqsave(&usbhid->lock, flags); + usbhid->ledcount--; + spin_unlock_irqrestore(&usbhid->lock, flags); + } usbhid_submit_report(hid, field->report, USB_DIR_OUT); return 0; @@ -538,15 +630,22 @@ int usbhid_open(struct hid_device *hid) struct usbhid_device *usbhid = hid->driver_data; int res; + mutex_lock(&hid_open_mut); if (!hid->open++) { res = usb_autopm_get_interface(usbhid->intf); + /* the device must be awake to reliable request remote wakeup */ if (res < 0) { hid->open--; + mutex_unlock(&hid_open_mut); return -EIO; } + usbhid->intf->needs_remote_wakeup = 1; + if (hid_start_in(hid)) + hid_io_error(hid); + + usb_autopm_put_interface(usbhid->intf); } - if (hid_start_in(hid)) - hid_io_error(hid); + mutex_unlock(&hid_open_mut); return 0; } @@ -554,10 +653,22 @@ void usbhid_close(struct hid_device *hid) { struct usbhid_device *usbhid = hid->driver_data; + mutex_lock(&hid_open_mut); + + /* protecting hid->open to make sure we don't restart + * data acquistion due to a resumption we no longer + * care about + */ + spin_lock_irq(&usbhid->lock); if (!--hid->open) { + spin_unlock_irq(&usbhid->lock); usb_kill_urb(usbhid->urbin); - usb_autopm_put_interface(usbhid->intf); + flush_scheduled_work(); + usbhid->intf->needs_remote_wakeup = 0; + } else { + spin_unlock_irq(&usbhid->lock); } + mutex_unlock(&hid_open_mut); } /* @@ -687,6 +798,25 @@ static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t co return ret; } +static void usbhid_restart_queues(struct usbhid_device *usbhid) +{ + if (usbhid->urbout) + usbhid_restart_out_queue(usbhid); + usbhid_restart_ctrl_queue(usbhid); +} + +static void __usbhid_restart_queues(struct work_struct *work) +{ + struct usbhid_device *usbhid = + container_of(work, struct usbhid_device, restart_work); + int r; + + r = usb_autopm_get_interface(usbhid->intf); + if (r < 0) + return; + usb_autopm_put_interface(usbhid->intf); +} + static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid) { struct usbhid_device *usbhid = hid->driver_data; @@ -711,6 +841,9 @@ static int usbhid_parse(struct hid_device *hid) quirks = usbhid_lookup_quirk(le16_to_cpu(dev->descriptor.idVendor), le16_to_cpu(dev->descriptor.idProduct)); + if (quirks & HID_QUIRK_IGNORE) + return -ENODEV; + /* Many keyboards and mice don't like to be polled for reports, * so we will always set the HID_QUIRK_NOGET flag for them. */ if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) { @@ -850,11 +983,11 @@ static int usbhid_start(struct hid_device *hid) init_waitqueue_head(&usbhid->wait); INIT_WORK(&usbhid->reset_work, hid_reset); + INIT_WORK(&usbhid->restart_work, __usbhid_restart_queues); setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid); - spin_lock_init(&usbhid->inlock); - spin_lock_init(&usbhid->outlock); - spin_lock_init(&usbhid->ctrllock); + spin_lock_init(&usbhid->lock); + spin_lock_init(&usbhid->lock); usbhid->intf = intf; usbhid->ifnum = interface->desc.bInterfaceNumber; @@ -906,15 +1039,14 @@ static void usbhid_stop(struct hid_device *hid) return; clear_bit(HID_STARTED, &usbhid->iofl); - spin_lock_irq(&usbhid->inlock); /* Sync with error handler */ + spin_lock_irq(&usbhid->lock); /* Sync with error handler */ set_bit(HID_DISCONNECTED, &usbhid->iofl); - spin_unlock_irq(&usbhid->inlock); + spin_unlock_irq(&usbhid->lock); usb_kill_urb(usbhid->urbin); usb_kill_urb(usbhid->urbout); usb_kill_urb(usbhid->urbctrl); - del_timer_sync(&usbhid->io_retry); - cancel_work_sync(&usbhid->reset_work); + hid_cancel_delayed_stuff(usbhid); if (hid->claimed & HID_CLAIMED_INPUT) hidinput_disconnect(hid); @@ -935,12 +1067,28 @@ static void usbhid_stop(struct hid_device *hid) hid_free_buffers(hid_to_usb_dev(hid), hid); } +static int usbhid_power(struct hid_device *hid, int lvl) +{ + int r = 0; + + switch (lvl) { + case PM_HINT_FULLON: + r = usbhid_get_power(hid); + break; + case PM_HINT_NORMAL: + usbhid_put_power(hid); + break; + } + return r; +} + static struct hid_ll_driver usb_hid_driver = { .parse = usbhid_parse, .start = usbhid_start, .stop = usbhid_stop, .open = usbhid_open, .close = usbhid_close, + .power = usbhid_power, .hidinput_input_event = usb_hidinput_input_event, }; @@ -1049,19 +1197,126 @@ static void hid_disconnect(struct usb_interface *intf) kfree(usbhid); } +static void hid_cancel_delayed_stuff(struct usbhid_device *usbhid) +{ + del_timer_sync(&usbhid->io_retry); + cancel_work_sync(&usbhid->restart_work); + cancel_work_sync(&usbhid->reset_work); +} + +static void hid_cease_io(struct usbhid_device *usbhid) +{ + del_timer(&usbhid->io_retry); + usb_kill_urb(usbhid->urbin); + usb_kill_urb(usbhid->urbctrl); + usb_kill_urb(usbhid->urbout); +} + +/* Treat USB reset pretty much the same as suspend/resume */ +static int hid_pre_reset(struct usb_interface *intf) +{ + struct hid_device *hid = usb_get_intfdata(intf); + struct usbhid_device *usbhid = hid->driver_data; + + spin_lock_irq(&usbhid->lock); + set_bit(HID_RESET_PENDING, &usbhid->iofl); + spin_unlock_irq(&usbhid->lock); + cancel_work_sync(&usbhid->restart_work); + hid_cease_io(usbhid); + + return 0; +} + +/* Same routine used for post_reset and reset_resume */ +static int hid_post_reset(struct usb_interface *intf) +{ + struct usb_device *dev = interface_to_usbdev (intf); + struct hid_device *hid = usb_get_intfdata(intf); + struct usbhid_device *usbhid = hid->driver_data; + int status; + + spin_lock_irq(&usbhid->lock); + clear_bit(HID_RESET_PENDING, &usbhid->iofl); + spin_unlock_irq(&usbhid->lock); + hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0); + /* FIXME: Any more reinitialization needed? */ + status = hid_start_in(hid); + if (status < 0) + hid_io_error(hid); + usbhid_restart_queues(usbhid); + + return 0; +} + +int usbhid_get_power(struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + + return usb_autopm_get_interface(usbhid->intf); +} + +void usbhid_put_power(struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + + usb_autopm_put_interface(usbhid->intf); +} + + +#ifdef CONFIG_PM static int hid_suspend(struct usb_interface *intf, pm_message_t message) { - struct hid_device *hid = usb_get_intfdata (intf); + struct hid_device *hid = usb_get_intfdata(intf); struct usbhid_device *usbhid = hid->driver_data; + struct usb_device *udev = interface_to_usbdev(intf); + int status; - if (!test_bit(HID_STARTED, &usbhid->iofl)) - return 0; + if (udev->auto_pm) { + spin_lock_irq(&usbhid->lock); /* Sync with error handler */ + if (!test_bit(HID_RESET_PENDING, &usbhid->iofl) + && !test_bit(HID_CLEAR_HALT, &usbhid->iofl) + && !test_bit(HID_OUT_RUNNING, &usbhid->iofl) + && !test_bit(HID_CTRL_RUNNING, &usbhid->iofl) + && !test_bit(HID_KEYS_PRESSED, &usbhid->iofl) + && (!usbhid->ledcount || ignoreled)) + { + set_bit(HID_REPORTED_IDLE, &usbhid->iofl); + spin_unlock_irq(&usbhid->lock); + } else { + usbhid_mark_busy(usbhid); + spin_unlock_irq(&usbhid->lock); + return -EBUSY; + } - spin_lock_irq(&usbhid->inlock); /* Sync with error handler */ - set_bit(HID_SUSPENDED, &usbhid->iofl); - spin_unlock_irq(&usbhid->inlock); - del_timer_sync(&usbhid->io_retry); - usb_kill_urb(usbhid->urbin); + } else { + spin_lock_irq(&usbhid->lock); + set_bit(HID_REPORTED_IDLE, &usbhid->iofl); + spin_unlock_irq(&usbhid->lock); + if (usbhid_wait_io(hid) < 0) + return -EIO; + } + + if (!ignoreled && udev->auto_pm) { + spin_lock_irq(&usbhid->lock); + if (test_bit(HID_LED_ON, &usbhid->iofl)) { + spin_unlock_irq(&usbhid->lock); + usbhid_mark_busy(usbhid); + return -EBUSY; + } + spin_unlock_irq(&usbhid->lock); + } + + hid_cancel_delayed_stuff(usbhid); + hid_cease_io(usbhid); + + if (udev->auto_pm && test_bit(HID_KEYS_PRESSED, &usbhid->iofl)) { + /* lost race against keypresses */ + status = hid_start_in(hid); + if (status < 0) + hid_io_error(hid); + usbhid_mark_busy(usbhid); + return -EBUSY; + } dev_dbg(&intf->dev, "suspend\n"); return 0; } @@ -1075,32 +1330,33 @@ static int hid_resume(struct usb_interface *intf) if (!test_bit(HID_STARTED, &usbhid->iofl)) return 0; - clear_bit(HID_SUSPENDED, &usbhid->iofl); + clear_bit(HID_REPORTED_IDLE, &usbhid->iofl); + usbhid_mark_busy(usbhid); + + if (test_bit(HID_CLEAR_HALT, &usbhid->iofl) || + test_bit(HID_RESET_PENDING, &usbhid->iofl)) + schedule_work(&usbhid->reset_work); usbhid->retry_delay = 0; status = hid_start_in(hid); - dev_dbg(&intf->dev, "resume status %d\n", status); - return status; -} + if (status < 0) + hid_io_error(hid); + usbhid_restart_queues(usbhid); -/* Treat USB reset pretty much the same as suspend/resume */ -static int hid_pre_reset(struct usb_interface *intf) -{ - /* FIXME: What if the interface is already suspended? */ - hid_suspend(intf, PMSG_ON); + dev_dbg(&intf->dev, "resume status %d\n", status); return 0; } -/* Same routine used for post_reset and reset_resume */ -static int hid_post_reset(struct usb_interface *intf) +static int hid_reset_resume(struct usb_interface *intf) { - struct usb_device *dev = interface_to_usbdev (intf); - - hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0); - /* FIXME: Any more reinitialization needed? */ + struct hid_device *hid = usb_get_intfdata(intf); + struct usbhid_device *usbhid = hid->driver_data; - return hid_resume(intf); + clear_bit(HID_REPORTED_IDLE, &usbhid->iofl); + return hid_post_reset(intf); } +#endif /* CONFIG_PM */ + static struct usb_device_id hid_usb_ids [] = { { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS, .bInterfaceClass = USB_INTERFACE_CLASS_HID }, @@ -1113,9 +1369,11 @@ static struct usb_driver hid_driver = { .name = "usbhid", .probe = hid_probe, .disconnect = hid_disconnect, +#ifdef CONFIG_PM .suspend = hid_suspend, .resume = hid_resume, - .reset_resume = hid_post_reset, + .reset_resume = hid_reset_resume, +#endif .pre_reset = hid_pre_reset, .post_reset = hid_post_reset, .id_table = hid_usb_ids, @@ -1134,7 +1392,11 @@ static struct hid_driver hid_usb_driver = { static int __init hid_init(void) { - int retval; + int retval = -ENOMEM; + + resumption_waker = create_freezeable_workqueue("usbhid_resumer"); + if (!resumption_waker) + goto no_queue; retval = hid_register_driver(&hid_usb_driver); if (retval) goto hid_register_fail; @@ -1158,6 +1420,8 @@ hiddev_init_fail: usbhid_quirks_init_fail: hid_unregister_driver(&hid_usb_driver); hid_register_fail: + destroy_workqueue(resumption_waker); +no_queue: return retval; } @@ -1167,6 +1431,7 @@ static void __exit hid_exit(void) hiddev_exit(); usbhid_quirks_exit(); hid_unregister_driver(&hid_usb_driver); + destroy_workqueue(resumption_waker); } module_init(hid_init); diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index 1f5b5d4c3c34..e9b436d2d944 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -227,12 +227,9 @@ void hiddev_report_event(struct hid_device *hid, struct hid_report *report) */ static int hiddev_fasync(int fd, struct file *file, int on) { - int retval; struct hiddev_list *list = file->private_data; - retval = fasync_helper(fd, file, on, &list->fasync); - - return retval < 0 ? retval : 0; + return fasync_helper(fd, file, on, &list->fasync); } @@ -249,10 +246,12 @@ static int hiddev_release(struct inode * inode, struct file * file) spin_unlock_irqrestore(&list->hiddev->list_lock, flags); if (!--list->hiddev->open) { - if (list->hiddev->exist) + if (list->hiddev->exist) { usbhid_close(list->hiddev->hid); - else + usbhid_put_power(list->hiddev->hid); + } else { kfree(list->hiddev); + } } kfree(list); @@ -303,6 +302,17 @@ static int hiddev_open(struct inode *inode, struct file *file) list_add_tail(&list->node, &hiddev_table[i]->list); spin_unlock_irq(&list->hiddev->list_lock); + if (!list->hiddev->open++) + if (list->hiddev->exist) { + struct hid_device *hid = hiddev_table[i]->hid; + res = usbhid_get_power(hid); + if (res < 0) { + res = -EIO; + goto bail; + } + usbhid_open(hid); + } + return 0; bail: file->private_data = NULL; @@ -878,16 +888,21 @@ int hiddev_connect(struct hid_device *hid, unsigned int force) hiddev->hid = hid; hiddev->exist = 1; + /* when lock_kernel() usage is fixed in usb_open(), + * we could also fix it here */ + lock_kernel(); retval = usb_register_dev(usbhid->intf, &hiddev_class); if (retval) { err_hid("Not able to get a minor for this device."); hid->hiddev = NULL; + unlock_kernel(); kfree(hiddev); return -1; } else { hid->minor = usbhid->intf->minor; hiddev_table[usbhid->intf->minor - HIDDEV_MINOR_BASE] = hiddev; } + unlock_kernel(); return 0; } diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h index 9eb30564be9c..08f505ca2e3d 100644 --- a/drivers/hid/usbhid/usbhid.h +++ b/drivers/hid/usbhid/usbhid.h @@ -38,7 +38,10 @@ int usbhid_wait_io(struct hid_device* hid); void usbhid_close(struct hid_device *hid); int usbhid_open(struct hid_device *hid); void usbhid_init_reports(struct hid_device *hid); -void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir); +void usbhid_submit_report +(struct hid_device *hid, struct hid_report *report, unsigned char dir); +int usbhid_get_power(struct hid_device *hid); +void usbhid_put_power(struct hid_device *hid); /* iofl flags */ #define HID_CTRL_RUNNING 1 @@ -49,6 +52,9 @@ void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, uns #define HID_CLEAR_HALT 6 #define HID_DISCONNECTED 7 #define HID_STARTED 8 +#define HID_REPORTED_IDLE 9 +#define HID_KEYS_PRESSED 10 +#define HID_LED_ON 11 /* * USB-specific HID struct, to be pointed to @@ -66,7 +72,6 @@ struct usbhid_device { struct urb *urbin; /* Input URB */ char *inbuf; /* Input buffer */ dma_addr_t inbuf_dma; /* Input buffer dma */ - spinlock_t inlock; /* Input fifo spinlock */ struct urb *urbctrl; /* Control URB */ struct usb_ctrlrequest *cr; /* Control request struct */ @@ -75,21 +80,22 @@ struct usbhid_device { unsigned char ctrlhead, ctrltail; /* Control fifo head & tail */ char *ctrlbuf; /* Control buffer */ dma_addr_t ctrlbuf_dma; /* Control buffer dma */ - spinlock_t ctrllock; /* Control fifo spinlock */ struct urb *urbout; /* Output URB */ struct hid_output_fifo out[HID_CONTROL_FIFO_SIZE]; /* Output pipe fifo */ unsigned char outhead, outtail; /* Output pipe fifo head & tail */ char *outbuf; /* Output buffer */ dma_addr_t outbuf_dma; /* Output buffer dma */ - spinlock_t outlock; /* Output fifo spinlock */ + spinlock_t lock; /* fifo spinlock */ unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */ struct timer_list io_retry; /* Retry timer */ unsigned long stop_retry; /* Time to give up, in jiffies */ unsigned int retry_delay; /* Delay length in ms */ struct work_struct reset_work; /* Task context for resets */ + struct work_struct restart_work; /* waking up for output to be done in a task */ wait_queue_head_t wait; /* For sleeping */ + int ledcount; /* counting the number of active leds */ }; #define hid_to_usb_dev(hid_dev) \ |